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Treatment of Sagittal Fracture of the Zygomatic Arch Root
Abstract
A sagittal fracture at the temporal root of the zygomatic arch (ZAR) often occurs as a component of zygomaticomaxillary complex (ZMC) fractures. However, this area is difficult to access, and anchorage is limited due to the unstable structure around it. Therefore, a preauricular approach using single-screw fixation is proposed, and this study reports its results and usefulness. Forty-four patients with sagittal fractures of ZAR occurring with ZMC fractures were evaluated from 2012 to 2021. Open reduction and internal fixation were performed on all patients with ZMC fractures. Closed reduction using Dingman incision and external finger pressure in group A (indirect approach; 30 patients) and single-screw fixation using a preauricular approach in group B (direct approach; 14 patients) were performed to address sagittal fractures in ZAR. For single-screw fixation, the additional mean operation time was 11.34±3.25 minutes. On postoperative 3-dimensional computed tomography and plain radiographs, group B showed more accurate reduction and less deformity and trismus (P<0.05). Moreover, a normal diet was initiated more quickly in group B than in group A (P<0.05). Some cases in group A showed nonunion or malunion. This study revealed that a direct approach (group B) toward sagittal fractures of ZAR is recommended due to more accurate results and fewer complications than those observed with the indirect approach (group A). Moreover, the total operation time and complications may be lesser than those with the bicoronal approach.
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Metadata
- Authors
- Lee, J. H., Ryu, J. Y., Lee, J. S., Yang, J. D., Chung, H. Y., Cho, B. C., & Choi, K. Y.
- Affiliations
- Kyungpook National University (KR)
- Corresponding author
- Cho, Byung Chae
- Choi, Kang Young
- ORCID
- Venue
- Journal of Craniofacial Surgery
- Published
- 2023-07-24
- Volume
- 34
- Issue
- 8
- Pages
- 2252-2256
- ISSN
- 1049-2275 (ISSN-L)
- OpenAlex
- W4385186378
- Cited by
- 1
- References
- 19
- Citations by year
- 2026: 1
- FWCI
- 0.22
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of Craniofacial Surgery (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Surgery › Facial Trauma and Fracture Management
- Health Sciences › Medicine › Surgery › Spinal Fractures and Fixation Techniques
- Health Sciences › Medicine › Orthopedics and Sports Medicine › Bone fractures and treatments
- Keywords
- sagittal fracture, zygomatic fractures, preauricular approach, single screw fixation, open reduction and internal fixation, indirect approach, direct approach, trismus, nonunion, malunion, operative time
- MeSH terms
- Fracture Fixation, Internal, Humans, Maxillary Fractures, Retrospective Studies, Tomography, X-Ray Computed, Zygoma, Zygomatic Fractures
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